package com.itheima.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.common.R;
import com.itheima.entity.Category;
import com.itheima.service.CategoryService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;

@RestController
@RequestMapping("/category")
@Slf4j
public class CategoryController {
    @Autowired
    private CategoryService categoryService;

    /**
     * 新增分类
     *
     * @param category
     * @return
     */

    @PostMapping
    public R<String> save(@RequestBody Category category) {
        log.info("category:{}", category);
        categoryService.save(category);
        return R.success("添加成功");
    }

    /**
     * 分页查询
     *
     * @param page
     * @param pageSize
     * @return
     */

    @GetMapping("/page")
    public R<Page> page(int page, int pageSize) {
        //分页构造器
        Page<Category> pageInfo = new Page(page, pageSize);
        //构造条件器
        LambdaQueryWrapper<Category> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.orderByAsc(Category::getSort);
        categoryService.page(pageInfo, queryWrapper);
        return R.success(pageInfo);
    }

    /**
     * 删除
     *
     * @param ids ?ids=10
     * @return
     */
    @DeleteMapping
    public R<String> delete(Long ids) {
//        categoryService.removeById(id);
        categoryService.remove(ids);
        return R.success("删除成功");
    }

    /**
     * 修改
     *
     * @param category
     * @return
     */
    @PutMapping
    private R<String> update(@RequestBody Category category) {
        categoryService.updateById(category);
        return R.success("修改成功");
    }

    /**
     * 根据条件查询分类数据
     * @param category
     * @return
     */

    @GetMapping("/list")
    public R<List<Category>> list(Category category) {
        //条件构造器
        LambdaQueryWrapper<Category> queryWrapper = new LambdaQueryWrapper<>();

        //根据Type类型查询分类数据
        queryWrapper.eq(category.getType() != null, Category::getType, category.getType());

        //排序
        queryWrapper.orderByAsc(Category::getSort).orderByDesc(Category::getUpdateTime);

        List<Category> list = categoryService.list(queryWrapper);
        return R.success(list);


    }
}
